Quick Summary
The VIISAN S21 is an A2 overhead scanner for documents and books. It is described with a 23MP maximum image output and 600dpi scanning, and it supports OCR in more than 130 languages.
It also includes automatic page correction, page flattening, background cleaning, page splitting and built-in LED lighting, making it suited to scanning large-format items such as books, magazines, newspapers and maps.
Who It Is Best For
This scanner suits buyers who need to capture large-format documents, book pages or other flat items for archiving, school or office use. It is also relevant where OCR output and multi-language text recognition matter.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Product name | VIISAN S21 overhead scanner for documents and books. |
| Format | A2 scanner with adjustable lens height for A3 or A2 use. |
| Image output | Listed as up to 23MP, with 5504 x 4128 pixel output. |
| Scanning resolution | 600dpi for detailed capture. |
| OCR | OCR supports more than 130 languages for editable text conversion. |
| Lighting | Built-in high brightness LED lamp with adjustable brightness levels. |
| Page processing | Automatic page correction, page flattening, background cleaning and page splitting are included. |
| Scan speed | Fast scan speed is stated at 1.5 seconds per page. |
Why Buyers Choose It
- The adjustable lens height for A3 or A2 use gives flexibility for different large-format items.
- OCR in more than 130 languages helps turn scanned pages into editable files.
- Automatic page correction and page flattening reduce manual cleanup after scanning.
- The built-in LED lamp supports clearer scanning in low light conditions.
How It Works
- Position the document, book or other supported large-format item under the scanner.
- Adjust the lens height for A3 or A2 use as required.
- Use the hand button for continuous scanning where needed.
- Let the scanner apply page correction, flattening, background cleaning and page splitting.
- Use OCR to convert scanned images into editable files where required.
Real World Use
The scanner is described for use with large-format magazines, newspapers, maps and books. It also includes functions for teaching videos, whiteboard use, multiple card scanning, ID card scanning, barcode document recognition and direct transfer to a smartphone.
What To Know Before You Buy
Check the size of the documents or books you plan to scan and make sure the A2 and A3 setup suits your needs. The scanner is aimed at overhead scanning, so it is worth confirming that this scanning style matches your workspace and workflow. If you need OCR, confirm that the supported language set covers the text you want to convert.
Common Buyer Questions
What kinds of items is the VIISAN S21 for?
It is for large-format documents and books, and it is also described for magazines, newspapers and maps.
Does it support editable text output?
Yes, it has OCR and can convert scanned images into editable files.
Can it handle different page sizes?
Yes, the lens height is adjustable for A3 or A2 use.
Is lighting built in?
Yes, it includes a high brightness LED lamp with adjustable brightness levels.
Final Buying View
If you need an overhead scanner for large-format documents, books or archives, the VIISAN S21 offers a clear feature set centred on OCR, automatic page correction and LED lighting. Check the page size, OCR language needs and overhead setup before ordering.
